css image centering: css image is centered up, down, left, and right (horizontally and vertically centered)

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Release: 2017-05-31 11:32:24
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In our web page layout, we often need to use DIV+CSS layout to center the image horizontally, left, and right, and vertically and vertically. How to achieve this? This article summarizes several methods for you to use DIV+css to center the image left and right/horizontally and center the image up and down/vertically!

css image left/right centering method:

1. How to center text and images in HTML code?

css image centering: css image is centered up, down, left, and right (horizontally and vertically centered)

html text centering and html picture centering method code, by realizing text centering and picture centering in html, there are three methods to realize text and picture content centering in html. Two of them are implemented using CSS styles, always using "align="center"" (centered) added to the original html tag.

2. Summary of various centers in CSS layout

Centering is a situation we often encounter when using css for layout. When using CSS for centering, sometimes a single attribute can do it, and sometimes it requires certain skills to be compatible with all browsers. This article will give a brief introduction to some common methods of centering.

css picture up and down/vertical centering method:

1. About the transform attribute in css3 to achieve vertical and horizontal centering of divs with variable width and height Detailed introduction

css image centering: css image is centered up, down, left, and right (horizontally and vertically centered)

#I believe that in actual projects, you will definitely encounter the problem of DIV's variable width and height, vertical and horizontal centering. I remember that I used js to implement it before. In fact, there are several ways to implement it with css. But I personally think it is simpler and more convenient to use transform, but it is not compatible with browsers below IE9.

2. Detailed examples of two common ways to achieve horizontal and vertical centering of elements in css

This article is mainly for We have introduced two ways to achieve horizontal and vertical centering of elements in CSS. The article provides a complete sample code for your reference and study. It has certain reference value for your study or work. Friends in need can take a look below. . 1. The flex layout of the parent element realizes the horizontal and vertical centering of the element; 2. The absolute positioning & negative margin value realizes the horizontal and vertical centering of the element.

3. Detailed explanation of how to vertically center images in CSS

" Use pure CSS to center the image of unknown size (but the height and width are less than 200px) horizontally and vertically in a 200px square container. " Of course, the question is not random, but has its own practical reasons. Vertical centering is Taobao. One of the most common problems encountered at work is very representative

4. 7 ways to center the container horizontally and vertically with css

This kind of CSS layout is commonly used, and it is also a common interview question. You will find a lot of it after searching online, but I still want to summarize it myself.
There are many methods of this kind. This article only summarizes a few of them to deepen the impression.

DIV+CSS image centering related questions and answers:

1. How to center img?

2. In CSS, why do I set vertical-align:middle; in

and but it does not produce a centered effect on the image?

3. How to center the elements of the iframe embedded page.

4. The problem with the top and bottom centering of Android browsers

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